IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 262 - 268 of 929

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Question number: 262

» Triangles and Circles

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MCQ▾

Question

Orthocenter of a triangle is the point of concurrency of its ________

Choices

Choice (4)Response

a.

Medians

b.

Angle bisectors

c.

Altitudes

d.

Perpendicular bisectors

Question number: 263

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 24 inches, the median of the trapezoid is ________

Choices

Choice (4)Response

a.

16 inches

b.

24 inches

c.

59 inches

d.

12 inches

Question number: 264

» Surface Area and Volumes

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MCQ▾

Question

A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 265

» Coordinate Geometry

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MCQ▾

Question

is a point, which belongs to the line________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 266

» Coordinate Geometry

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MCQ▾

Question

On plotting the points A (2,9), B (6,11), C (10,9), D (8,5), E (4,5) and joining AB, BC, CD, CE, EA, Which of the following figure is obtained?

Choices

Choice (4)Response

a.

Pentagon

b.

Hexagon

c.

Trapezoid

d.

Parallelogram

Question number: 267

» Triangles and Circles

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MCQ▾

Question

In the figure, and , then

Given the PQ is parallel to OE and PR is parallel to OF

Given the PQ is Parallel to OE and PR is Parallel to Of

Choices

Choice (4)Response

a.

PQ

b.

EF

c.

OR

d.

PF

Question number: 268

» Surface Area and Volumes

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MCQ▾

Question

The area of a quadrilateral ABCD, in which , is an equilateral triangles of side 24 cm and is________.

Choices

Choice (4)Response

a.

b.

c.

d.

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